Probability

Press %6to access a menu of functions.

nPr Calculates the number of possible permutations of n items taken r at a time. The order of objects is important, as in a race.

nCr Calculates the number of possible combinations of n items taken r at a time. The order of objects is not important, as in a hand of cards.

!The factorial of n is the product of the positive integers from 1 to n. n must be a positive whole number 69.

RAND Generates a random real number between 0 and 1. To control a sequence of random numbers, store an integer (seed value) 0 to

SE. The seed value changes randomly every time a random number is generated.

RANDI Generates a random integer between two integers, A and B, where A RANDI B. Separate the two integers with a comma.

For nPr and nCr, enter the first argument, press %6, select nPr or nCr, press V, and enter the second argument.

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Ti36eng1.doc TI-36X II Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 32 of 48

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Texas Instruments TI-36X manual Probability, Press %6to access a menu of functions

TI-36X specifications

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